Pneumocystis carinii 7 22.jpg

Taxonomy: Pneumocystidomycetes
Animal: Pneumocystis carinii 7 22.jpg
Sites: Lungs
Comment:
Pneumocystis carinii cysts from section of lung stained with Grocott's stain. Cysts are 5-8 microns, thick walled and spherical and with this stain, they have a cup shaped or collapsed appearance: the prominent black spots are part of the cyst wall.

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